Main material:polyester, high-grade durable, very simple and lightweight.Product Dimension: 11.4 x 5.1 x 17.7 inches (LxWxH)Plenty capacity design, most of your daily necessities can be loaded.Backpack featuring adjustable padded shoulder straps and convenient side water bottle pockets.Fashionable and super cool, It is an adorable gift for a special someone or yourself.